Aid for teaching projection drawing



FIG. 1 is a front perspective view of the aid for teaching projection drawing showing my new design. Shown in condition of use with part patterns (on the aid for teaching projection drawing), pattern box and sample part. The technical drawing line indicia showing of a hidden line, center line, and hole center form part of the claimed design. The broken line showing of the sample part stand forms no part of the claimed design.

FIG. 2 is a right side view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is a rear view thereof.

FIG. 6 is a top view thereof.

FIG. 7 is a bottom view thereof.

FIG. 8 is a slightly enlarged detail front perspective view of a part inside the aid for teaching projection drawing. The broken line showing of the names of the colors on each face of the part forms no part of the claimed design.

FIG. 9 is a right side view of the part thereof.

FIG. 10 is a front view of the part thereof.

FIG. 11 is a left side view of the part thereof.

FIG. 12 is a rear view the part thereof.

FIG. 13 is a top view of the part thereof.

FIG. 14 is a bottom view of the part thereof; and,

FIG. 15 is a slightly reduced unfolded top planar view of the pattern box with the technical drawing line indicia showing of hidden lines, center lines, and hole center lines forms part of the claimed design.

The broken lines shown in the figures are for the purpose of illustrating the environment related to the claimed design and forms no part of the claimed design as to those figures. 

The ornamental design for aid for teaching projection drawing, as shown and described. 